In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the weight. This engine series offers a time between overhauls of 2.000 hrs and the best power to weight ratio in its class - no surprise that this engine is the best selling 4-stroke engine. This series is available as non-certified (Rotax 912 ULS) and certified engine (Rotax 912 S) according to FAR33.
| Version | Performance | Torque | Max RPM | ||||
|---|---|---|---|---|---|---|---|
| kW | hp | 1/min | Nm | ft. lb. | l/min | 1/min | |
| 912 ULS1/S2 | 73.5 | 100 | 5800 | 128 | 94 | 5100 | 5800 |
| Bore | Stroke | Displacement | Fuel | |||
|---|---|---|---|---|---|---|
| 84 mm | 3.31 in | 61 mm | 2.4 in | 1352 cm3 | 82.6 cu in. | min. MOD 85 RON 95* min. AKI 91** |